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2001 ford explorer sport

05-01-2013, 06:48 PM
I have 2001 ford explorer sport.. I am having a very bad time trying to figure out what is wrong with it.. it idles very low in drive and reverse and then shuts off..
What has been replaced:
1. Torque converter
2. All new plugs n wires
3. Map or mass sensor
4. Iac valve
5. O2 sensors
6. Fuel filter
7. Air filter
8. Throttle valve/sensor

It does not run bad only when u come to a red or stop light.. any suggestions would be great.. had the vacuum tested and no vacuum leaks.. also no check engine light has come on and no codes have popped up when tested..

05-02-2013, 01:52 AM
When idling low, is it smooth or rough? If you hold the throttle open slightly to keep the engine speed around 700 rpms does it stay running smoothly? In general, your symptoms are consistent with either a misfire or a vacuum leak.


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